# username = input("请输入用户名:")
# print(username, "欢迎您~)
# print(id("霍格沃兹"))
n = False + 1
print(n)
print(type(n))

title = "霍格沃兹" + str(666)
print(title, type(title))
x = str("霍格沃兹")
n = False + 1
print(n, type(n))
n = False + 1
print(n)
print(type(n))
num3 = "100"
print(int(num3))
print(type(int(num3)))

z = str(123)
print(z, type(z))
# a = 10
# b = 20
# c = a + b
# print("a + b 的值为：", c)
#
# a = 22
# b = 10
# c = a * b
# print("a * b 的值为：", c)
# print("a * b 的值为：", a * b)
# print("a / b 的值为：", a / b)
# print("b % a 的值为：", a % b)
# print("a ** b 的值为：", a ** b)
# print("a // b 的值为：", a // b)
# a = 10
# a += 20    # 相当于表达式  a = a + 20
# print(a)
# a = a * 2
# print(a)
# a = a / 6
# print(a)
# a = a // 6
# print(a)
# print("abc" == "ABC")
# print("abc" != "ABC")
# print(2 != 2)
# print("abc" >= "abc")
# print("abc" <= "abc")
# num = input("请输入一个3位数：")
# x = int(num)
# print(x)
# a = x % 10
# b = x // 10 % 10
# c = x // 100
# print("逆序为：",a *100+b*10+c )
# a = 123 // 10
# print(a)
# fruit = input ("请输入一个水果单词：/n")
# if fruit == "apple":
#     print("苹果")
# elif fruit == "banana":
#     print("香蕉")
# elif fruit == "orange":
#     print("橘子")
# else:
#     print("输入错误")

# money = float(input("请输入公交卡的余额：\n"))
# if money >= 2:
#     print("余额充足，可以上公交")
#     seat = int(input("车上是否有空座位：有为1，没有为0\n"))
#     if seat == 1:
#         print("可以坐下")
#     else:
#         print("不能坐下")
# else:
#     print("余额不足，请下车")

# a = float(input("请输入第一个数字："))
# b = float(input("请输入第二个数字："))
# fu_hao = input("请输入加减乘除其中一个运算符：")
# if fu_hao == "+":
#     print("输出结果：", a + b)
# elif fu_hao == "-":
#     print("输出结果：", a - b)
# elif fu_hao == "*":
#     print("输出结果：", a * b)
# elif fu_hao == "/":
#     if b != 0:
#         print("输出结果：", a / b)
#     else:
#         print("除数不能为0")
# else:
#     print("运算符输入错误")
# a = float(input("请输入第一个数字："))
# b = float(input("请输入第二个数字："))
# fu_hao = input("请输入加减乘除其中一个运算符：")
# if fu_hao == "+":
#     result = a + b          # print("输出结果：", a + b)
# elif fu_hao == "-":
#     result = a - b        # print("输出结果：", a - b)
# elif fu_hao == "*":
#     result = a * b        # print("输出结果：", a * b)
# elif fu_hao == "/":
#     if b != 0:
#         result = a / b      # print("输出结果：", a / b)
#     else:
#         result = "除数不能为0"
# else:
#     result = "运算符输入错误"
# print("运算结果为", result)
a = 5
b = 10
a = a + b
b = a - b
a = a - b
print(a, b)








